[PVE-User] lzo files conundrum

Mark Adams mark at openvs.co.uk
Wed Mar 11 09:26:35 CET 2020


Is the data inside the VM's different? maybe the data on the bigger one is
not as compressible?

On Wed, 11 Mar 2020, 08:07 Renato Gallo via pve-user, <
pve-user at pve.proxmox.com> wrote:

>
>
>
> ---------- Forwarded message ----------
> From: Renato Gallo <renato at aster-lab.com>
> To: g noto <g.noto at way-interactive.com>
> Cc: Alwin Antreich <a.antreich at proxmox.com>, pve-user <
> pve-user at pve.proxmox.com>
> Bcc:
> Date: Wed, 11 Mar 2020 09:07:42 +0100 (CET)
> Subject: Re: [PVE-User] lzo files conundrum
> Hello,
>
> Might be I was not clear, I apologize.
> it's not that I want both backups to be equal.
> Both machines are set up as scsi and have equal storage configuration.
> Both machines sit on the same proxmox server.
> I would like to know why the backups gigas are so different one from
> another.
>
> Renato Gallo
>
>
>
> ----- Original Message -----
> From: "Alwin Antreich" <a.antreich at proxmox.com>
> To: "PVE User List" <pve-user at pve.proxmox.com>
> Cc: "renato" <renato at aster-lab.com>, "Gaspare Noto" <
> g.noto at way-interactive.com>
> Sent: Wednesday, March 11, 2020 8:55:13 AM
> Subject: Re: [PVE-User] lzo files conundrum
>
> Hello Renato,
>
> On Wed, Mar 11, 2020 at 07:35:21AM +0100, Renato Gallo via pve-user wrote:
> > Date: Wed, 11 Mar 2020 07:35:21 +0100 (CET)
> > From: Renato Gallo <renato at aster-lab.com>
> > To: pve-user at pve.proxmox.com
> > Cc: g noto <g.noto at way-interactive.com>
> > Subject: lzo files conundrum
> > X-Mailer: Zimbra 8.8.15_GA_3829 (ZimbraWebClient - FF68
> >  (Linux)/8.8.15_GA_3829)
> >
> > Hello,
> >
> > we have two machines same system 100 Gb of virtual disk both have the
> disks on a zfspool.
> > from the df -h point of view the disks use is quite similar.
> > we backup those machine regularly during the weekend using the scheduled
> backup of proxmox from the datastore menu.
> > we cannot understand why one machine have a .lzo file of 9.something
> gigas and the other has a backup .lzo file of around 40 gigas.
> > can you explain this to us ?
> Possibly thin-provisioning.
>
> In the storage definition the _Thin provision_ needs to be set, to
> create thin-provisioned zVOLs from the start. And OFC, you will need to
> have the VM disks setup with SCSI and discard on to run a TRIM inside
> the VM.
>
> --
> Cheers,
> Alwin
>
>
>
> ---------- Forwarded message ----------
> From: Renato Gallo via pve-user <pve-user at pve.proxmox.com>
> To: g noto <g.noto at way-interactive.com>
> Cc: Renato Gallo <renato at aster-lab.com>, pve-user <
> pve-user at pve.proxmox.com>
> Bcc:
> Date: Wed, 11 Mar 2020 09:07:42 +0100 (CET)
> Subject: Re: [PVE-User] lzo files conundrum
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